Prosecution Insights
Prosecution Insights
Technology area: Medical Devices & Mechanical Engineering
4 pending office actions • 4 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 18 patents granted in the last 365 days
ECP Entwicklungsgesellschaft mbH currently manages 4 pending office actions in the Medical Devices & Mechanical Engineering technology area. These actions are assigned to distinct examiners, ensuring that every pending matter receives an independent review. Furthermore, the prosecution activity is spread across 4 distinct art units, reflecting a high degree of technical diversity.
CHEUNG, CHUN HOI is the busiest examiner for the company, holding 1 busiest examiner pending action. Since there are multiple pending office actions and distinct examiners, the workload is evenly divided. This distribution means that the company's success in the patent office is not reliant on any single examiner's discretion.
The ratio of 4 pending office actions to distinct art units is notable, as it shows that each active case is being handled by a different specialized division. Combined with the distinct examiners, this indicates a very broad and decentralized prosecution profile within the Medical Devices & Mechanical Engineering sector. Practitioners must be prepared to navigate different sets of examiner expectations and art unit standards.
Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.
Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.
| Bucket | Cases |
|---|---|
| §103 only | 2 (50%) |
| Multi-statute (no §101) | 1 (25%) |
| No statute on record | 1 (25%) |
How the docket's pending cases split across USPTO tech-center bands.
Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.
| Examiner | Apps on this docket | Allow rate | Interview lift |
|---|---|---|---|
| CHEUNG, CHUN HOI | 1 | 62.4% | +39.2% |
| TEJANI, ANKIT D | 1 | 81.0% | +16.9% |
| STEWART, ALVIN J | 1 | 82.1% | +0.7% |
| WOZNICKI, JACQUELINE | 1 | 49.8% | +26.0% |
Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18387872 | BLOOD PUMP FOR THE INVASIVE APPLICATION WITHIN A BODY OF A PATIENT | STEWART, ALVIN J | 12d |
Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 19262814 | CONTAINER FOR A HEART PUMP DEVICE AND METHOD FOR OPERATING A HEART PUMP DEVICE | CHEUNG, CHUN HOI | — |
Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 3 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 17796031 | INTRAVASCULAR BLOOD PUMP | WOZNICKI, JACQUELINE | 230d overdue |
| 19262814 | CONTAINER FOR A HEART PUMP DEVICE AND METHOD FOR OPERATING A HEART PUMP DEVICE | CHEUNG, CHUN HOI | — |
| 18987573 | FLUID PUMP WITH A ROTOR | TEJANI, ANKIT D | — |
| Art Unit | Apps |
|---|---|
| 3736 | 1 |
| 3792 | 1 |
| 3799 | 1 |
| 3774 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 19262814 | CONTAINER FOR A HEART PUMP DEVICE AND METHOD FOR OPERATING A HEART PUMP DEVICE | CHEUNG, CHUN HOI | 3736 | §102§112 | Non-Final OA | — | Pending | Jul 08, 2025 |
| 18987573 | FLUID PUMP WITH A ROTOR | TEJANI, ANKIT D | 3792 | Other | Non-Final OA | — | Pending | Dec 19, 2024 |
| 18387872 | BLOOD PUMP FOR THE INVASIVE APPLICATION WITHIN A BODY OF A PATIENT | STEWART, ALVIN J | 3799 | §103Other | Final Rejection | 12d | Pending | Nov 08, 2023 |
| 17796031 | INTRAVASCULAR BLOOD PUMP | WOZNICKI, JACQUELINE | 3774 | §103 | Final Rejection | 230d overdue | Pending | Jul 28, 2022 |
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